Tools/SQL Formatter
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SQL Formatter / Beautifier

Format messy SQL queries with proper indentation and capitalized keywords.

Raw SQL
Formatted SQL

About SQL Formatter / Beautifier

Format messy, minified, or poorly indented SQL queries into clean, readable code with proper indentation and uppercase keywords. Supports standard SQL syntax with intelligent keyword capitalization, consistent line spacing, and professional formatting. Essential for code reviews, documentation, and debugging complex database queries.

How to use this tool:

  1. Paste your raw SQL query into the left panel.
  2. Click "Format SQL" to beautify the query.
  3. View the formatted output in the right panel.
  4. Click "Copy" to copy the formatted SQL to your clipboard.

Frequently Asked Questions

What SQL dialects are supported?

The formatter supports standard SQL syntax that works with MySQL, PostgreSQL, SQLite, SQL Server, and most other databases.

Does formatting change the query behavior?

No. Formatting only changes whitespace and keyword casing. The query logic and results remain exactly the same.

Can I customize the formatting style?

The current version uses uppercase keywords and 2-space indentation. Custom formatting options may be added in future updates.

🔒 Are my files uploaded to a server?

No. MyConverterPro processes all files locally inside your browser using client-side JavaScript. Your data never leaves your device, ensuring 100% privacy and security.

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In-Depth Guide

SQL Formatter: Beautify Messy Queries Instantly

Transform unreadable, single-line SQL queries into properly indented, capitalized, and structured code — supporting MySQL, PostgreSQL, SQL Server, and SQLite.

MyConverter Pro Team4 min readSQL, Formatter, Database

✓Key Takeaways

  • Format messy SQL queries with proper indentation and line breaks
  • Automatic keyword capitalization (SELECT, FROM, WHERE, JOIN, etc.)
  • Supports MySQL, PostgreSQL, SQL Server, and SQLite syntax
  • Makes complex JOINs, subqueries, and CTEs readable at a glance

Every developer has encountered the nightmare of an unformatted SQL query. Whether it is a 500-character single-line query dumped from an ORM's debug output, a hand-written query that grew organically over months of modifications, or a legacy stored procedure inherited from a predecessor who never heard of indentation — unformatted SQL is one of the most common productivity killers in database development.

Reading an unformatted SQL query is like reading a paragraph without punctuation or spacing. The logical structure is lost, JOIN conditions blend into WHERE clauses, subqueries are invisible, and identifying a single misplaced keyword requires painstaking character-by-character scanning. This is not just an aesthetic problem — it directly leads to bugs, misunderstandings, and wasted debugging time.

Our SQL Formatter instantly transforms chaotic queries into beautifully structured, properly indented SQL code. Keywords like SELECT, FROM, WHERE, JOIN, GROUP BY, ORDER BY, and HAVING are capitalized and placed on their own lines. Subqueries are indented to show nesting depth. JOIN conditions are aligned for easy comparison. Column lists are formatted for readability. The result is SQL that you can understand at a glance, modify with confidence, and review efficiently in pull requests.

The formatter is powered by the sql-formatter library, which supports standard SQL syntax as well as MySQL, PostgreSQL, SQL Server, and SQLite-specific extensions. It handles complex features including Common Table Expressions (CTEs), window functions, CASE statements, nested subqueries, and multi-table JOINs. The formatting is consistent and deterministic — the same input always produces the same output, making it ideal for establishing team-wide SQL formatting standards.

Continue reading the complete 4 min guide…

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Frequently Asked Questions

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